package com.nowcoder.community.controller;

import com.nowcoder.community.service.DataService;
import com.nowcoder.community.util.HostHolder;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import java.util.Date;

@Controller
public class DataController {
    private final DataService dataService;
    private final HostHolder hostHolder;

    public DataController(DataService dataService, HostHolder hostHolder) {
        this.dataService = dataService;
        this.hostHolder = hostHolder;
    }

    //  统计页面
    @RequestMapping(path = "/data", method = {RequestMethod.GET, RequestMethod.POST})
    public String getDataPage(){
        return "/site/admin/data";
    }
    //  统计网站UV
    @RequestMapping(path="/data/uv", method = {RequestMethod.GET, RequestMethod.POST})
    public String getUV(@DateTimeFormat(pattern="yyyy-MM-dd") Date start,
                        @DateTimeFormat(pattern="yyyy-MM-dd") Date end,
                        Model model){
        long uv = dataService.calculateUV(start, end);
        model.addAttribute("uvResult", uv);
        model.addAttribute("uvStartDate", start);
        model.addAttribute("uvEndDate", end);
        // getDataPage能被复用
        return "forward:/data";
    }

    //  统计活跃用户
    @RequestMapping(path="/data/dau", method = {RequestMethod.GET, RequestMethod.POST})
    public String getDAU(@DateTimeFormat(pattern= "yyyy-MM-dd") Date start,
                        @DateTimeFormat(pattern= "yyyy-MM-dd") Date end,
                        Model model){
        long dau = dataService.calculateDAU(start, end);
        model.addAttribute("dauResult", dau);
        model.addAttribute("dauStartDate", start);
        model.addAttribute("dauEndDate", end);
        // getDataPage能被复用
        return "forward:/data";
    }
}
